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The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.

The historian must be a poet, not to create, but to recreate.

接口可以使事情保持整潔，但不能加速增長：函數(shù)可以做到。